A hidden camera is a still or video camera used to film people without their knowledge. The camera is "hidden" because it is either not visible to the subject being filmed, or is disguised as another object.
An apparatus for recording sound, pictures, or data, esp. a tape recorder
A person who keeps records
equipment for making records
registrar: someone responsible for keeping records
A simple woodwind instrument with finger holes and no keys, held vertically and played by blowing air through a shaped mouthpiece against a sharp edge
a barrister or solicitor who serves as part-time judge in towns or boroughs
A videocassette
video recording: a recording of both the visual and audible components (especially one containing a recording of a movie or television program)
The system of recording, reproducing, or broadcasting moving visual images on or from videotape
A movie or other piece of material recorded on videotape
(computer science) the appearance of text and graphics on a video display
the visible part of a television transmission; "they could still receive the sound but the picture was gone"
Recorder Duet
On May 12, 2011, the Jule Collins Smith Museum of Fine Art presented a recorder and flute recital for its weekly lunchtime series, A Little Lunch Music. Performers were Mary Olson, Douglas Leonard and Patrick McCurry. PIctured are Dr. Olson and Dr. Leonard.
Recorders
The recorder was the first instrument I learned to play, and I still like to revisit it occasionally. Here's a quick sketch I did of my descant and treble recorders (the latter disassembled) using a fountain pen.